package com.zzy.command;
import java.util.ArrayList;
public class system {
	private static final String PATH = "studentIfo.txt";
	Command thisCommand;
	public system()
    {
    }
	public void setCommand(Command command)
    {
    	thisCommand=command;
    }
	public void Task()
    {
    	thisCommand.execute();	
    }
	public void undo()
    {
    	thisCommand.undo();
    }

}
